*568-337 URETHANE 90 ORINGS -PREM GRADE

This o-ring is supplied in AS568-337 clear Polyurethane (AU/EU) 90 Shore A with an inside diameter of 2.975 in (75.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.395 in (86.23 mm), catalogued under part number U90337. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

The material holds up against abrasion and wear, ozone, and impact and shock loading. That behavior comes from the compound itself: Polyurethane (AU/EU) is specified for long wear life in dynamic reciprocating service and exceptional abrasion resistance. Service temperature is rated from -65°F (-53.9°C) through 200°F (93.3°C). Exposure to hot water and steam or prolonged humidity at elevated temperature will shorten service life.

Maintenance and OEM teams specify it across mining and heavy equipment, construction machinery, and off-highway equipment.

Order part number U90337, sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.